LM139,LM239,LM2901,LM3302,LM339

LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad

Comparators

Literature Number: SNOSBJ3C

LM139/LM239/LM339/LM2901/LM3302Low Power Low Offset Voltage Quad ComparatorsGeneral DescriptionThe LM139 series consists of four independent precisionvoltage comparators with an offset voltage specification aslow as 2 mV max for all four comparators. These weredesigned specifically to operate from a single power supplyover a wide range of voltages. Operation from split powersupplies is also possible and the low power supply currentdrain is independent of the magnitude of the power supplyvoltage. These comparators also have a unique characteris-tic in that the input common-mode voltage range includesground, even though operated from a single power supplyvoltage.

Application areas include limit comparators, simple analog todigital converters; pulse, squarewave and time delay gen-erators; wide range VCO; MOS clock timers; multivibratorsand high voltage digital logic gates. The LM139 series wasdesigned to directly interface with TTL and CMOS. Whenoperated from both plus and minus power supplies, they willdirectly interface with MOS logic — where the low powerdrain of the LM339 is a distinct advantage over standardcomparators.

Featuresn Wide supply voltage rangen LM139/139A Series 2 to 36 VDC or ±1 to ±18 VDC

n LM2901: 2 to 36 VDC or ±1 to ±18 VDC

n LM3302: 2 to 28 VDC or ±1 to ±14 VDC

n Very low supply current drain (0.8 mA) — independentof supply voltage

n Low input biasing current: 25 nAn Low input offset current: ±5 nAn Offset voltage: ±3 mVn Input common-mode voltage range includes GNDn Differential input voltage range equal to the power

supply voltagen Low output saturation voltage: 250 mV at 4 mAn Output voltage compatible with TTL, DTL, ECL, MOS

and CMOS logic systems

Advantagesn High precision comparatorsn Reduced VOS drift over temperaturen Eliminates need for dual suppliesn Allows sensing near GNDn Compatible with all forms of logicn Power drain suitable for battery operation

One-Shot Multivibrator with InputLock Out

00570612

March 2004LM

139/LM239/LM

339/LM2901/LM

3302Low

Pow

erLow

Offset

VoltageQ

uadC

omparators

© 2004 National Semiconductor Corporation DS005706 www.national.com

Absolute Maximum Ratings (Note 10)

If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

LM139/LM239/LM339

LM139A/LM239A/LM339A LM3302

LM2901

Supply Voltage, V+ 36 VDC or ±18 VDC 28 VDC or ±14 VDC

Differential Input Voltage (Note 8) 36 VDC 28 VDC

Input Voltage −0.3 VDC to +36 VDC −0.3 VDC to +28 VDC

Input Current (VIN<−0.3 VDC),

(Note 3) 50 mA 50 mA

Power Dissipation (Note 1)

Molded DIP 1050 mW 1050 mW

Cavity DIP 1190 mW

Small Outline Package 760 mW

Output Short-Circuit to GND,

(Note 2) Continuous Continuous

Storage Temperature Range −65˚C to +150˚C −65˚C to +150˚C

Lead Temperature

(Soldering, 10 seconds) 260˚C 260˚C

Operating Temperature Range −40˚C to +85˚C

LM339/LM339A 0˚C to +70˚C

LM239/LM239A −25˚C to +85˚C

LM2901 −40˚C to +85˚C

LM139/LM139A −55˚C to +125˚C

Soldering Information

Dual-In-Line Package

Soldering (10 seconds) 260˚C 260˚C

Small Outline Package

Vapor Phase (60 seconds) 215˚C 215˚C

Infrared (15 seconds) 220˚C 220˚C

See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods ofsoldering surface mount devices.

ESD rating (1.5 kΩ in series with 100 pF) 600V 600V

Electrical Characteristics(V+=5 VDC, TA = 25˚C, unless otherwise stated)

Parameter Conditions LM139A LM239A, LM339A LM139 Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage (Note 9) 1.0 2.0 1.0 2.0 2.0 5.0 mVDC

Input Bias Current IIN(+) or IIN(−) with Output in 25 100 25 250 25 100 nADC

Linear Range, (Note 5), VCM=0V

Input Offset Current IIN(+)−IIN(−), VCM=0V 3.0 25 5.0 50 3.0 25 nADC

Input Common-Mode V+=30 VDC (LM3302, 0 V+−1.5 0 V+−1.5 0 V+−1.5 VDC

Voltage Range V+ = 28 VDC) (Note 6)

Supply Current RL = ∞ on all Comparators, 0.8 2.0 0.8 2.0 0.8 2.0 mADC

RL = ∞, V+ = 36V, 1.0 2.5 1.0 2.5 mADC

(LM3302, V+ = 28 VDC)

Voltage Gain RL≥15 kΩ, V+ = 15 VDC 50 200 50 200 50 200 V/mV

VO = 1 VDC to 11 VDC

Large Signal VIN = TTL Logic Swing, VREF = 300 300 300 ns

Response Time 1.4 VDC, VRL = 5 VDC,

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

www.national.com 2

Electrical Characteristics (Continued)(V+=5 VDC, TA = 25˚C, unless otherwise stated)

Parameter Conditions LM139A LM239A, LM339A LM139 Units

Min Typ Max Min Typ Max Min Typ Max

RL = 5.1 kΩResponse Time VRL = 5 VDC, RL = 5.1 kΩ, 1.3 1.3 1.3 µs

(Note 7)

Output Sink Current VIN(−) = 1 VDC, VIN(+) = 0, 6.0 16 6.0 16 6.0 16 mADC

VO ≤ 1.5 VDC

Saturation Voltage VIN(−) = 1 VDC, VIN(+) = 0, 250 400 250 400 250 400 mVDC

ISINK ≤ 4 mA

Output Leakage VIN(+) = 1 VDC,VIN(−) = 0, 0.1 0.1 0.1 nADC

Current VO = 5 VDC

Electrical Characteristics(V+ = 5 VDC, TA = 25˚C, unless otherwise stated)

Parameter Conditions LM239, LM339 LM2901 LM3302 Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage (Note 9) 2.0 5.0 2.0 7.0 3 20 mVDC

Input Bias Current IIN(+) or IIN(−) with Output in 25 250 25 250 25 500 nADC

Linear Range, (Note 5), VCM=0V

Input Offset Current IIN(+)−IIN(−), VCM = 0V 5.0 50 5 50 3 100 nADC

Input Common-Mode V+ = 30 VDC (LM3302, 0 V+−1.5 0 V+−1.5 0 V+−1.5 VDC

Voltage Range V+ = 28 VDC) (Note 6)

Supply Current RL = ∞ on all Comparators, 0.8 2.0 0.8 2.0 0.8 2.0 mADC

RL = ∞, V+ = 36V, 1.0 2.5 1.0 2.5 1.0 2.5 mADC

(LM3302, V+ = 28 VDC)

Voltage Gain RL ≥ 15 kΩ, V+ = 15 VDC 50 200 25 100 2 30 V/mV

VO = 1 VDC to 11 VDC

Large Signal VIN = TTL Logic Swing, VREF = 300 300 300 ns

Response Time 1.4 VDC, VRL = 5 VDC,

RL = 5.1 kΩ,

Response Time VRL = 5 VDC, RL = 5.1 kΩ, 1.3 1.3 1.3 µs

(Note 7)

Output Sink Current VIN(−)= 1 VDC, VIN(+) = 0, 6.0 16 6.0 16 6.0 16 mADC

VO ≤ 1.5 VDC

Saturation Voltage VIN(−) = 1 VDC, VIN(+) = 0, 250 400 250 400 250 500 mVDC

ISINK ≤ 4 mA

Output Leakage VIN(+) = 1 VDC,VIN(−) = 0, 0.1 0.1 0.1 nADC

Current VO = 5 VDC

Electrical Characteristics(V+ = 5.0 VDC, (Note 4))

Parameter Conditions LM139A LM239A, LM339A LM139 Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage (Note 9) 4.0 4.0 9.0 mVDC

Input Offset Current IIN(+)−IIN(−), VCM = 0V 100 150 100 nADC

Input Bias Current IIN(+) or IIN(−) with Output in 300 400 300 nADC

Linear Range, VCM = 0V (Note 5)

Input Common-Mode V+=30 VDC (LM3302, 0 V+−2.0 0 V+−2.0 0 V+−2.0 VDC

Voltage Range V+ = 28 VDC) (Note 6)

LM139/LM

239/LM339/LM

2901/LM3302

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Electrical Characteristics (Continued)(V+ = 5.0 VDC, (Note 4))

Parameter Conditions LM139A LM239A, LM339A LM139 Units

Min Typ Max Min Typ Max Min Typ Max

Saturation Voltage VIN(−)=1 VDC, VIN(+) = 0, 700 700 700 mVDC

ISINK ≤ 4 mA

Output Leakage Current VIN(+) = 1 VDC, VIN(−) = 0, 1.0 1.0 1.0 µADC

VO = 30 VDC, (LM3302,

VO = 28 VDC)

Differential Input Voltage Keep all VIN’s ≥ 0 VDC (or V−, 36 36 36 VDC

if used), (Note 8)

Electrical Characteristics(V+ = 5.0 VDC, (Note 4))

Parameter Conditions LM239, LM339 LM2901 LM3302 Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage (Note 9) 9.0 9 15 40 mVDC

Input Offset Current IIN(+)−IIN(−), VCM = 0V 150 50 200 300 nADC

Input Bias Current IIN(+) or IIN(−) with Output in 400 200 500 1000 nADC

Linear Range, VCM = 0V (Note 5)

Input Common-Mode V+ = 30 VDC (LM3302, V+ = 28 VDC) V+−2.0 0 V+−2.0 0 V+−2.0 VDC

Voltage Range (Note 6)

Saturation Voltage VIN(−) = 1 VDC, VIN(+) = 0, 700 400 700 700 mVDC

ISINK ≤ 4 mA

Output Leakage Current VIN(+) = 1 VDC, VIN(−) = 0, 1.0 1.0 1.0 µADC

VO = 30 VDC, (LM3302, V O = 28 VDC)

Differential Input Voltage Keep all VIN’s ≥ 0 VDC (or V−, 36 36 28 VDC

if used), (Note 8)

Note 1: For operating at high temperatures, the LM339/LM339A, LM2901, LM3302 must be derated based on a 125˚C maximum junction temperature and athermal resistance of 95˚C/W which applies for the device soldered in a printed circuit board, operating in a still air ambient. The LM239 and LM139 must be deratedbased on a 150˚C maximum junction temperature. The low bias dissipation and the “ON-OFF” characteristic of the outputs keeps the chip dissipation very small(PD≤100 mW), provided the output transistors are allowed to saturate.

Note 2: Short circuits from the output to V+ can cause excessive heating and eventual destruction. When considering short circuits to ground, the maximum outputcurrent is approximately 20 mA independent of the magnitude of V+.

Note 3: This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNPtransistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral NPN parasitic transistor actionon the IC chip. This transistor action can cause the output voltages of the comparators to go to the V+ voltage level (or to ground for a large overdrive) for the timeduration that an input is driven negative. This is not destructive and normal output states will re-establish when the input voltage, which was negative, again returnsto a value greater than −0.3 VDC (at 25˚)C.

Note 4: These specifications are limited to −55˚C ≤ TA ≤ +125˚C, for the LM139/LM139A. With the LM239/LM239A, all temperature specifications are limited to−25˚C ≤ TA ≤ +85˚C, the LM339/LM339A temperature specifications are limited to 0˚C ≤ TA ≤ +70˚C, and the LM2901, LM3302 temperature range is −40˚C ≤ TA≤ +85˚C.

Note 5: The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the output sono loading change exists on the reference or input lines.

Note 6: The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the common-modevoltage range is V+ −1.5V at 25˚C, but either or both inputs can go to +30 VDC without damage (25V for LM3302), independent of the magnitude of V+.

Note 7: The response time specified is a 100 mV input step with 5 mV overdrive. For larger overdrive signals 300 ns can be obtained, see typical performancecharacteristics section.

Note 8: Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the common-mode range, thecomparator will provide a proper output state. The low input voltage state must not be less than −0.3 VDC (or 0.3 VDCbelow the magnitude of the negative powersupply, if used) (at 25˚C).

Note 9: At output switch point, VO.1.4 VDC, RS = 0Ω with V+ from 5 VDC to 30 VDC; and over the full input common-mode range (0 VDC to V+ −1.5 VDC), at 25˚C.For LM3302, V+ from 5 VDC to 28 VDC.

Note 10: Refer to RETS139AX for LM139A military specifications and to RETS139X for LM139 military specifications.

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

www.national.com 4

Typical Performance Characteristics LM139/LM239/LM339, LM139A/LM239A/LM339A, LM3302

Supply Current Input Current

0057063400570635

Output Saturation VoltageResponse Time for Various Input Overdrives

— Negative Transition

00570636 00570637

Response Time for Various Input Overdrives— Positive Transition

00570638

LM139/LM

239/LM339/LM

2901/LM3302

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Typical Performance Characteristics LM2901

Supply Current Input Current

00570639 00570640

Output Saturation VoltageResponse Time for Various Input Overdrives

— Negative Transition

00570641 00570642

Response Time for Various Input Overdrives— Positive Transition

00570643

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

www.national.com 6

Application HintsThe LM139 series are high gain, wide bandwidth deviceswhich, like most comparators, can easily oscillate if theoutput lead is inadvertently allowed to capacitively couple tothe inputs via stray capacitance. This shows up only duringthe output voltage transition intervals as the comparatorchanges states. Power supply bypassing is not required tosolve this problem. Standard PC board layout is helpful as itreduces stray input-output coupling. Reducing this input re-sistors to < 10 kΩ reduces the feedback signal levels andfinally, adding even a small amount (1 to 10 mV) of positivefeedback (hysteresis) causes such a rapid transition thatoscillations due to stray feedback are not possible. Simplysocketing the IC and attaching resistors to the pins will causeinput-output oscillations during the small transition intervalsunless hysteresis is used. If the input signal is a pulsewaveform, with relatively fast rise and fall times, hysteresis isnot required.

All pins of any unused comparators should be tied to thenegative supply.

The bias network of the LM139 series establishes a draincurrent which is independent of the magnitude of the powersupply voltage over the range of from 2 VDC to 30 VDC.

It is usually unnecessary to use a bypass capacitor acrossthe power supply line.

The differential input voltage may be larger than V+ withoutdamaging the device. Protection should be provided to pre-vent the input voltages from going negative more than −0.3VDC (at 25˚C). An input clamp diode can be used as shownin the applications section.

The output of the LM139 series is the uncommitted collectorof a grounded-emitter NPN output transistor. Many collectorscan be tied together to provide an output OR’ing function. Anoutput pull-up resistor can be connected to any availablepower supply voltage within the permitted supply voltagerange and there is no restriction on this voltage due to themagnitude of the voltage which is applied to the V+ terminalof the LM139A package. The output can also be used as asimple SPST switch to ground (when a pull-up resistor is notused). The amount of current which the output device cansink is limited by the drive available (which is independent ofV+) and the β of this device. When the maximum current limitis reached (approximately 16 mA), the output transistor willcome out of saturation and the output voltage will rise veryrapidly. The output saturation voltage is limited by the ap-proximately 60Ω RSAT of the output transistor. The low offsetvoltage of the output transistor (1 mV) allows the output toclamp essentially to ground level for small load currents.

Typical Applications (V+ = 5.0 VDC)

Basic Comparator

00570603

Driving CMOS

00570604

Driving TTL

00570605

AND Gate

00570608

OR Gate

00570609

LM139/LM

239/LM339/LM

2901/LM3302

www.national.com7

Typical Applications (V+= 15 VDC)

One-Shot Multivibrator

00570610

Bi-Stable Multivibrator

00570611

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

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Typical Applications (V+= 15 VDC) (Continued)

One-Shot Multivibrator with Input Lock Out

00570612

Pulse Generator

00570617

LM139/LM

239/LM339/LM

2901/LM3302

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Typical Applications (V+= 15VDC) (Continued)

Large Fan-In AND Gate

00570613

ORing the Outputs

00570615

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

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Typical Applications (V+= 15 VDC) (Continued)

Time Delay Generator

00570614

Non-Inverting Comparator with Hysteresis Inverting Comparator with Hysteresis

00570618

00570619

LM139/LM

239/LM339/LM

2901/LM3302

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Typical Applications (V+= 15VDC) (Continued)

Squarewave Oscillator

00570616

Basic Comparator

00570621

Limit Comparator

00570624

Comparing Input Voltagesof Opposite Polarity

00570620

Output Strobing

00570622

* Or open-collector logic gate without pull-up resistor

Crystal Controlled Oscillator

00570625

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

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Typ

ical

Ap

plic

atio

ns

(V+=

15V

DC

)(C

ontin

ued)

Tw

o-D

ecad

eH

igh

-Fre

qu

ency

VC

O

0057

0623

V+

=+

30V

DC

250

mV

DC

≤V

C≤

+50

VD

C

700

Hz

≤f O

≤10

0kH

z

LM139/LM

239/LM339/LM

2901/LM3302

www.national.com13

Typical Applications (V+= 15VDC) (Continued)

Transducer Amplifier

00570628

Zero Crossing Detector (Single Power Supply)

00570630

Split-Supply Applications (V+ = +15VDC and V− = −15 VDC)

MOS Clock Driver

00570631

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

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Split-Supply Applications (V+ = +15 VDC

and V− = −15 VDC) (Continued)

Zero Crossing Detector

00570632

Comparator With a Negative Reference

00570633

Schematic Diagram

00570601

LM139/LM

239/LM339/LM

2901/LM3302

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Connection Diagrams

Dual-In-Line Package

00570602

Order Number LM139J, LM139J/883 (Note 11), LM139AJ,LM139AJ/883 (Note 12), LM239J, LM239AJ, LM339J

See NS Package Number J14AOrder Number LM339AM, LM339AMX, LM339M, LM339MX or LM2901M

See NS Package Number M14AOrder Number LM339N, LM339AN, LM2901N or LM3302N

See NS Package Number N14A

00570627

Order Number LM139AW/883 or LM139W/883 (Note 11)See NS Package Number W14B,

LM139AWGRQMLV (Note 13)See NS Package Number WG14A

Note 11: Available per JM38510/11201

Note 12: Available per SMD# 5962-8873901

Note 13: See STD Mil Dwg 5962R96738 for Radiation Tolerant Device

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

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Physical Dimensions inches (millimeters)unless otherwise noted

Ceramic Dual-In-Line Package (J)Order Number LM139J, LM139J/883, LM139AJ,

LM139AJ/883, LM239J, LM239AJ, LM339JNS Package Number J14A

S.O. Package (M)Order Number LM339AM, LM339AMX, LM339M, LM339MX, LM2901M or LM2901MX

NS Package Number M14A

LM139/LM

239/LM339/LM

2901/LM3302

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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

Molded Dual-In-Line Package (N)Order Number LM339N, LM339AN, LM2901N or LM3302N

NS Package Number N14A

Order Number LM139AW/883, LM139W/883NS Package Number W14B

LM13

9/LM

239/

LM33

9/LM

2901

/LM

3302

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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

Order Number LM139AWG/883, LM139WG/883NS Package Number WG14A

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LM139/LM

239/LM339/LM

2901/LM3302

LowP

ower

LowO

ffsetVoltage

Quad

Com

parators

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.

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